/*
 * Copyright 2003-2020 The Music Player Daemon Project
 * http://www.musicpd.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef MPD_SOFTWARE_MIXER_PLUGIN_HXX
#define MPD_SOFTWARE_MIXER_PLUGIN_HXX

class Mixer;
class Filter;

/**
 * Attach a #VolumeFilter to this mixer.  The #VolumeFilter is the
 * entity which actually applies the volume; it is created and managed
 * by the output.  Mixer::SetVolume() calls will be forwarded to
 * volume_filter_set().
 */
void
software_mixer_set_filter(Mixer &mixer, Filter *filter) noexcept;

#endif
